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Airtightness Results of Roof-only Air Sealing Strategies On 1 陆-story Homes In Cold Climates.
| 题名： | Airtightness Results of Roof-only Air Sealing Strategies On 1 陆-story Homes In Cold Climates. |
| 作者： | Ojczyk, C.; Murry, T.; Mosiman, G. |
| 关键词： | Residential, Residential Buildings, NorthernSTAR, Building America, Air seal, 1 1/2 story bungalow, Knee wall, Attic insulation, Spray foam, Adhered applied membrane, Exterior insulation, Ice dams, Energy heel, Vaulted ceilings, Roof-only exterior insulation over-lay, Roof deck ventilation |
| 摘要： | In this second study on solutions to ice dams in 1-1/2 story homes, the NorthernSTAR Building America Partnership team analyzed five test homes located in both cold and very cold climates for air leakage reduction rates following modifications by independent contractors on owner-occupied homes. These homes were chosen for testing as they are common in Minnesota and very difficult to air seal and insulate effectively. Two projects followed a roof-only Exterior Thermal Moisture Management System (ETMMS) process. One project used an interior-only approach to roof air sealing and insulation. The remaining two projects used a deep energy retrofit approach for whole house (foundation wall, above grade wall, roof) air leakage and heat loss reduction. All were asked to provide information regarding project goals, process, and pre and post-blower door test results. Additional air leakage reduction data was provided by several NorthernSTAR industry partners for interior-applied, roof-only modifications on 1-1/2 story homes. The data represents homes in the general market as well as homes that were part of the state of Minnesota weatherization program. A goal was to compare exterior air sealing methods with interior approaches. This pool of data enabled the team to compare air tightness data from over 220 homes using similar air seal methods. |
| 报告类型： | 科技报告 |
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